Home / 989,107.66-1,483,910.97-457,004.89

Finding the Fourth Proportional to 989,107.66, 1,483,910.97 and 457,004.89

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Solution

The fourth proportional to 989,107.66, 1,483,910.97 and 457,004.89 is: 685,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,107.66 : 1,483,910.97 = 457,004.89 : x
  2. Step 2: Convert to fraction form
    989,107.66/1,483,910.97 = 457,004.89/x
  3. Step 3: Cross multiply
    989,107.66x = 1,483,910.97 × 457,004.89
  4. Step 4: Simplify right side
    989,107.66x = 678,154,569,614.64
  5. Step 5: Solve for x
    x = 678,154,569,614.64/989,107.66
  6. Step 6: Final answer
    x = 685,622.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.